University of Oklahoma President David Boren expelled two students Tuesday who appeared in a video showing Sigma Alpha Epsilon (SAE) fraternity brothers singing a racist chant. The duo "played a leadership role" and "created a hostile learning environment for others," according to a news release on Boren's Twitter account.

"I have emphasized that there is zero tolerance for this kind of threatening racist behavior at the University of Oklahoma," Boren said in the release. "I hope that the entire nation will join us in having zero tolerance of such racism when it raises its ugly head in other situations across our country."


Boren expressly condemned the video clip, which was posted online Sunday night. In it, Sigma Alpha Epsilon members on a bus yell, "There will never be a n----- in SAE" and “You can hang them from a tree, but they’ll never sign with me."

Shortly after the video's publication this past weekend, the national SAE headquarters announced it would disband the university's chapter and suspend all its members. Since then, the incident has continued to make headlines as people raised money for the fraternity's now-unemployed black chef. A sorority that was possibly linked to the incident was investigated, and the metal Greek letters were physically removed from the SAE house. The student organization Unheard held a march on campus Monday morning, and the university is reportedly creating a diversity position within the Greeks' recruitment arm.

Boren has said that the students' actions show that they are not real Sooners -- the school's mascot -- who believe in mutual respect for everyone. His statement Tuesday indicated he was not done punishing the brothers involved. "We will continue our investigation of all the students engaged in the singing of this chant," he said. "Once their identities have been confirmed, they will be subject to appropriate disciplinary action.”